メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.534330679363 35.8728802123524, 139.534304994094 35.8731539145519, 139.534304095784 35.8734325149517, 139.534067429439 35.873431185199, 139.533931460415 35.8734207854884, 139.533322498425 35.8733533264717, 139.533314796077 35.873352473491, 139.53207524399 35.8732148825572, 139.532072523848 35.8728317407582, 139.532210110464 35.8716166296874, 139.53274321968 35.871732876977, 139.533417378559 35.8719395883689, 139.533537541804 35.8719764346963, 139.533785625309 35.8720694311914, 139.53398309712 35.8721394423814, 139.534069204335 35.8721621902957, 139.534175981326 35.8721870852502, 139.534431316361 35.8722213269474, 139.534387995114 35.8724449137914, 139.534368788366 35.8725368736991, 139.534352719925 35.8726453366361, 139.534330679363 35.8728802123524)) ^^http://www.opengis.net/ont/geosparql#wktLiteral